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Finding the Fourth Proportional to 223,338.60, 335,007.90 and 202,343.40

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Solution

The fourth proportional to 223,338.60, 335,007.90 and 202,343.40 is: 303,515.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,338.60 : 335,007.90 = 202,343.40 : x
  2. Step 2: Convert to fraction form
    223,338.60/335,007.90 = 202,343.40/x
  3. Step 3: Cross multiply
    223,338.60x = 335,007.90 × 202,343.40
  4. Step 4: Simplify right side
    223,338.60x = 67,786,637,512.86
  5. Step 5: Solve for x
    x = 67,786,637,512.86/223,338.60
  6. Step 6: Final answer
    x = 303,515.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.